Oil-burner.



No. 759,445. PATENT ED MAY 10, 1904.

E. W. JACKSON.

OIL BURNER.

APPLICATION FILED APR. 15, 1003. HQ MODEL.

MM 5 I I lurllflfmlmlf' Witnesses? Inventor No. 759,445. PATENTED MAY 10, 1904."

I E. 'W. JACKSON.

OIL BURNER.

7 APPLICATION 211,111) APR.15. 190a.

N0 MODEL. 2 8KEETS8HBET 2.

Patented May 10, 1904.

UNITED STATES PATENT OFFICE.

ERNEST W. JACKSON, OF SAUSALITO, CALIFORNIA.

OIL-BURNER.

SPECIFICATION forming part of Letters Patent N0. 759,445, dated May 10, 1904.

Application filed April 15, 1903- To all whom it may concern.-

Be it known that I, Ennnsr J AOKSON, a citizen of the United States, residing at Sausalito, county of Marin, State of California, have invented an Improvement in Oil-Burners; and I hereby declare the following to be a full, clear, and exact description of the same.

. My invention relates to a device for the combustion of oil in furnaces of various descriptions.

- It consists of the parts and the constructions and combinations of parts which I will hereinafter describe and claim.

Figure 1 is a longitudinal vertical section taken through the apparatus. Fig. 2 is a transverse section of the same. Fig. 3 is a similar section showing the air-inlet gate. Fig. 4 is a detail showing a complete tank on a reduced scale and the connection of the same with the boiler. Figs. 5 and 6 represent plan and edge views of the hinged plate 25 and connections.

My invention is designed for the more perfect combustion of hydrocarbons, and especially of the crude forms in which such hydrocarbons occur.

In the present case I have illustrated my invention as applied to the fire-box or furnace of an ordinary cooking-stove.

As here shown, A represents such a fire-box.

E2 is a trough extending from end to end of the fire-box and located in the lower part thereof. Contiguous to this trough is an oilsupply passage 3, which is here shown as slightly inclined from the inlet end toward the opposite end.

4 is a connection through which oilis supplied to the tube or passage 3, and 5 represents the outlet from which the oil is delivered from the tube 3 into the pan 2. This outlet is preferably about-two-thirds, more of less, of the distance from the inlet toward the opposite end of the pipe.

6 is a water-heater or boiler having a steamdome, as at 7 and a pipe 8 leads from the upper part of this dome down into the oil-pipe 3 near the inlet end, so that steam is admitted and mixed with the oil, whereby the temperature of the latter is raised in conjunction with the heat arising from the burning of the oil in the pan 2, and the heated oil is delivered Serial No. 152,690. (No model.)

through the discharge-passage 5, into said pan, where it is distributed from end to end thereof. The front of this pan is upturned or providedwith a rib or ledge, as shown, to prevent the overflow of the oil in that direction.

The supply of water in the boiler 6 may be maintained at any suitable or desired level by the use of a tank, as at 9, having a suitable filling-opening at the top, and a pipe 10 extends vertically through this tank, having an opening, as at 11. This pipe leads to, the boiler and is provided with a suitable. stopcock, as at 12. The top of the opening 11 is substantially on a level with the water in the boiler, and assuming the tank 9, to be full or nearly full of water it will be understood that as soon as the water in the boiler falls below the hole 11. in the pipe 10 the air, which en ters through the upper open end of the pipe 10, will enter the tank through this holeand will rise up within the tank and displace a small amount of water, which will flow through the hole and the cook 12 and trap-pipe into the boiler. In this manner the supply of water can be maintained constant within the boiler. I

From a point above the oil supply pipe.3 a diaphragm 13 extends at an angle upwardly and forwardly to the top and front of the stove 14. Beneath and parallel with this diaphragm is a second surface formed by alilling of clayor other non-conducting material, as at 15, and the space between these two sur faces 13 and 15 forms an air-admission channel through which a sufficient amount of air for combustion is admitted. As shown in the present case, this channel extends approximately the full length of the stove or, furnace front, with its inlet end just beneaththe top of the stove, and it is made convergent, so that it is considerably narrowerwhere it opens above the burning-pan 2. The object of this is to form a stronger draft by converging and centering the air which passes in and to in a measure prevent the tendency of the. hot products of combustion to escape in this direction. The exterior downwardly -turned flange 16 would prevent any blast of [ire or hot gases escaping directly outwardly from this opening, the flange 16 tending to direct any escape of this character against the stovefront if by any accident such escape should occur.

The clay filling (shown at 15) might be made continuous around to the back and inclosing the rear portion of the boiler 6, as shown at 17. I prefer, however, to make the bottom of the furnace of iron, as shown at 18, and this bottom converges from each end toward a central discharge -passage, as at 19, through which any overflow or waste from the pan 2 may be delivered.

20 is a trap which forms a seal for this discharge-passage, and by making this bottom of iron there is no porous bottom into which the oil might soak and from which a gas might afterward be formed by the heating of the soaked material. The clay structures at 15 and 17, however, serve to conserve the heat and to make the combustion more even and effective after the apparatus has once become heated up.

The positions of the pan 2, the oil-supply 3, and the diaphragm 13 are such as to form a tortuous passage, as at 21, passing first around from the front of the pan 2 beneath the pan, thence up behind the pan and the oil-passage 3, thence between the diaphragm 13 and the boiler 6, and the products of combustion then impinge upon the top of the stove and the openings usually made therein for cooking purposes. The products of combustion thence pass rearwardly over the top of the boiler and through the usual discharge-passage, passing over the top of the oven, as in the ordinary construction of stoves.

The oil-passage 3 has a plug or closure at each end, as shown at 22, and by removal of these plugs at any time the whole length of the oil-passage is exposed and may be cleansed in case of any sediment or collection within the tube, these plugs being'outside the stove at each end.

The peculiar arrangement of the draft allows of the air being considerably heated before it is delivered into the oil-burning pan, and when the draft around through the passage 21 is established there is no danger of escape of hot products of combustion'through the air-inlet passage.

In order to regulate the supply of air through the air-inlet and to keep the inflowing air in contact with the heated plate 13, I have shown a plate 25, substantially fitting the air-passage P, which, as shown by dotted lines in Fig. 1, is of outwardly-diverging form, said plate 25 being hinged to the bottom of the passage by links 26, so that the plate is movable similar to a parallel-ruler. A jointed extension 27 is slidable on the horizontal part of the air-inlet, and a rod 28 connects with a bell-crank lever, forming part of one of the links 26, so that the plate 25 may be raised or depressed to decrease or increase the air-inlet in proportion to the size of the fire.

Having thus described my invention, what I claim, and desire to secure by Letters Patent, is

1. The combination in an oil-burner of a stove or furnace having a non-conducting filling with curved inner walls; a burning-pan inclosed by said walls and separated therefrom to form a surrounding passage for the products of combustion said pan having an upturned front edge over which the products of combustion pass to said passage; a boiler above thepan and exposed to the products passing through said passage; an oil-supply pipe for delivering oil to the pan; and means conducting steam from the boiler to the oil-supply pipe.

2. The combination with a furnace-casing, of an oil-burner comprising a substantially level pan having an upturned front edge over which the products of combustion pass; an inclined oil-supply pipe parallel with and contiguous to the rear of the pan, and having an opening at a point between its ends communicating with the pan; a boiler substantially parallel with the oilpassage and having a steam-dome extension located within the furnace-casing; means automatically supplying feed-water to the boiler and maintaining the level of the water therein; a pipe entering the steam-dome above the water-level, and connecting with the oil-passage; a convergent bottom receiving the overflow from the pan; and a discharge-passage and trap therefrom.

3. The combination with a stove or furnace having curved inner walls, of an oil-burner comprising a substantially level burning-pan extending from end to end of the stove, an inclined oil-supply pipe contiguous to the pan having an opening into the pan, a boiler substantially parallel with the inclined oil-pipe, a connection by which steam in said boiler is delivered into the oil-pipe near the inlet end, inclined diaphragms forming with the walls of the stove-casing an air-passage fromf'the top of the front of the stove converging toward the central portion of the bu rning-pan, a convergent bottom below the burning-pan with discharge and trap, said pan and said bottom and the inner walls of. the stove or furnace forming a tortuous passage leading behind the oil-pipe and beneath the boiler to the top of the stove or furnace, and thence to the discharge-passage thereof.

4. The combination with a fire-pot or furnace of a substantially horizontal burning-pan extending from end to end near the bottom of the fire-pot and having an upturned front and closed back, an inclined oil-pipe located within the back and having removable plugs at opposite ends, a boiler located approximately parallel with the oil-pipe, a connection between said boiler and oil-pipe to admit steam into the oil-pipe, an inclined convergent airpassage leading from the top and front of the stove downward to a point above the burningseparated from the burner to form a tortuous passage with Which the air-admission passage communicates; and means for supplying oil to said burner.

1 Injl Witness whereof I have hereunto set my ian ERNEST WV. JACKSON.

Witnesses:

T. W. JAoKsoN, JosEPH V. SILVA. 

